38 HELIX. 



H. DEALBATA, Lowe. PI. 8, fig. 27. 



Kimately perforate, solid, rugulosely striate and very minutely 

 granular above, greyish white, apex corneous; whorls 5363, 

 scarcely convex, the last more or less distinctly cariiiate, with a 

 corneous line beloAV it, deflected in front, base a little convex, shin- 

 ing ; aperture fulvous blue, peristome continuous, fulvous. 



Diam. 8'5-10'5 mill. 



Ins. Porto Sancto. 



Var. B. Shell smooth, shining. Ins. Ilheo de Baxo. 



H. FICTILIS, Lowe. PI. 8, fig. 28. 



Arcuately rimate, subperforate, somewhat solid, obliquely striate 

 above, cinnamon color, sometimes with a single chestnut band ; 

 whorls 5, slightly convex, the last dilated and deflected in front, 

 periphery obsoletely angulated, base more convex ; peristome simple, 

 continuous, shortly adnate. Diam. 7'5 mill. 



Ins. Porto Sancto. 



Section IV, ACTINELLA, Lowe. 1854. 

 H. LENTIGINOSA, Lowe. PI. 8, fig. 29. 



Moderately uinbilicated, rather thin,, rugulosely striate, with 

 very short scales or hairs, not shining, chestnut color, maculated 

 with lighter shade, suture impressed; whorls 4-41, slightly convex, 

 the last obtusely carinated, subdescending in front, base convex; 

 peristome simple, margins approximating. Diam. 5*6 mill. 



Ins. Madeira. 

 H. ARCTA, Lowe. PI. 8, fig. 30. 



Punctiformly perforate, closely, distinctly costulate, light corneous, 

 marbled with Avhite, maculated and obsoletely banded with chestnut; 

 whorls 5J, rather flattened, periphery carinated, base more convex, 

 suddenly, shortly deflected in front: aperture with a white entering 

 tooth, peristome white, expanded, callous within, almost continuous. 



Diam. 5 mill. 



Ins. Madeira. 

 H. STELLARIS, Lowe. PI. 8, fig. 31. 



Narrowly umbilicated, rather thin, striate, shortly scaly hirsute, 

 corneous brown, suture impressed ; whorls 4, scarcely convex, the 

 last shortly deflected in front, periphery carinated, base convex; 

 peristome sublabiate within, margins approximating, slightly ex- 

 panding. 



Diam. 4'5 mill. 



Ins. Madeira. 



Is H. lentiginosa, /5. of Albers. 



